Folding knife



FIG. 1 is a perspective view of a folding knife showing my new design.

FIG. 2 is a right side elevational view thereof, at an enlarged scale,the left side elevational view being a mirror image thereof;

FIG. 3 is a top plan view thereof, at an enlarged scale;

FIG. 4 is a bottom plan view thereof, at an enlarged scale;

FIG. 5 is a handle end view thereof, at an enlarged scale;

FIG. 6 is a blade end view thereof, at an enlarged scale; and,

FIG. 7 is a side elevational view thereof, at an enlarged scale, withthe blade folded.

The ornamental design for a folding knife, as shown and described.